After the Virtual Floppy image is created with the platformConfig.xml file in it the Virtual Machine boot order should be changed in order to avoid having to manually disconnect the floppy image in the middle of CUCM installation. If the boot order is not change, after the installer ejects the CDROM and reboots the Virtual Machine it will be stuck with "No Boot Disk Found" error while attempting to boot off the still connected Virtual Floppy Image. Set the boot order to CD-ROM Drive then Hard Drive then Removable Devices and Network boot

Create A New Virtual Floppy Image

Windows

Follow this procedure to create a new virtual floppy image using the Windows platform.